Citigroup Inc., BNP Paribas SA and Standard Chartered Plc are among the banks looking into providing financing for a new $15 billion program to protect Indian ocean habitats.The banks, which also include HSBC Holdings Plc, Societe Generale SA and Rothschild & Co., have discussed funding possibilities in the form of bonds and so-called debt-for-nature swaps, according to Thomas Sberna, coastal and ocean resilience head for east and southern Africa for the International Union for Conservation of Nature, which is one of the organisations backing the initiative. The private capital...